Finding the Fourth Proportional to 1,355,134.73, 2,029,991.93 and 815,092.79
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Solution
The fourth proportional to 1,355,134.73, 2,029,991.93 and 815,092.79 is: 1,221,009.06
Step by Step Solution
- Step 1: Write the proportion equation
1,355,134.73 : 2,029,991.93 = 815,092.79 : x - Step 2: Convert to fraction form
1,355,134.73/2,029,991.93 = 815,092.79/x - Step 3: Cross multiply
1,355,134.73x = 2,029,991.93 × 815,092.79 - Step 4: Simplify right side
1,355,134.73x = 1,654,631,771,675.76 - Step 5: Solve for x
x = 1,654,631,771,675.76/1,355,134.73 - Step 6: Final answer
x = 1,221,009.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.